GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2000 🢒 Firebird 🢒 Engine 🢒 Engine Cooling 🢒 Throttle Body Heater Inlet Hose Replacement

Throttle Body Heater Inlet Hose Replacement 5.7 L

Removal Procedure

    Object Number: 220621 Size: SH
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Disconnect the throttle position sensor (TPS) electrical connector, if necessary.
  3. Reposition the hose clamps at the throttle body and engine coolant air bleed pipe.
  4. Remove the throttle body heater inlet hose from the throttle body.
  5. Remove the throttle body inlet hose from the engine coolant air bleed pipe.

Installation Procedure

    Object Number: 220621 Size: SH
  1. Install the throttle body inlet hose to the engine coolant air bleed pipe.
  2. Install the throttle body heater inlet hose to the throttle body.
  3. Reposition the hose clamps at the throttle body and engine coolant air bleed pipe.
  4. Connect the TPS electrical connector, if necessary.
  5. Refill the cooling system. Refer to Cooling System Draining and Filling .